| Value | Category | Cases | |
|---|---|---|---|
| 1 | Worsened a great deal | 176 |
7.5%
|
| 2 | Worsened | 534 |
22.9%
|
| 3 | Stayed the same | 846 |
36.3%
|
| 4 | Improved | 654 |
28%
|
| 5 | Improved a great deal | 123 |
5.3%
|
| 6 | Don't know | 67 |